dorafarm


Please provide the exact model of your computer.    We need to narrow down or isolate the issue,  if possible try to connect this monitor on a different computer and check.  If you get the same popup on a different computer then it is the issue with monitor.   Otherwise it is the issue with computer.   

We need to determine whether it is a hardware or software issue..   Turn off the computer.   Tap del or f2  (del key for desktops and f2 for laptops ) while turning on the computer.   It will go to bios.   Please stay on the bios screen for 30 mins.    If the display is looking good on bios then it is a software issue.  If the display is not looking good on the bios screen then it is a hardware issue.   

 

If it is a software issue try the following the steps..

 

Try windows x 
go to device manager 
expand display adapter
right click on display driver - uninstall 
Restart the computer 

It should work fine.. 

If it is still not working 
Uninstall the display adapter from device manager 
Don’t restart the computer. 
Go to support.acer.com 
chose your country 
type snid or chose your model 
go to drivers 
Install the display driver 

 

It should work fine..